Which is the leading cause of death from unintentional injury for teens?

a. car accidents
b. homicides
c. gang fights
d. suicide

Match each disease with the body system it affects

Which of the following can refer to the form of exercises that uses free weights, weight machines. resistance bands, or the weight of the body to put stress on the muscles ? (a) strength training(b)weight training(c)resistance training(d) all the above

In which book word demography is used for first time